ZA879177B - Erosion resistant cutting bit with hardfacing - Google Patents

Erosion resistant cutting bit with hardfacing

Info

Publication number
ZA879177B
ZA879177B ZA879177A ZA879177A ZA879177B ZA 879177 B ZA879177 B ZA 879177B ZA 879177 A ZA879177 A ZA 879177A ZA 879177 A ZA879177 A ZA 879177A ZA 879177 B ZA879177 B ZA 879177B
Authority
ZA
South Africa
Prior art keywords
hardfacing
erosion resistant
cutting bit
resistant cutting
bit
Prior art date
Application number
ZA879177A
Inventor
Wayne H Beach
H Beach Wayne
Original Assignee
Kennametal Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kennametal Inc filed Critical Kennametal Inc
Publication of ZA879177B publication Critical patent/ZA879177B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1833—Multiple inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1835—Chemical composition or specific material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
ZA879177A 1986-12-19 1987-12-07 Erosion resistant cutting bit with hardfacing ZA879177B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/944,263 US4725098A (en) 1986-12-19 1986-12-19 Erosion resistant cutting bit with hardfacing

Publications (1)

Publication Number Publication Date
ZA879177B true ZA879177B (en) 1988-08-31

Family

ID=25481084

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA879177A ZA879177B (en) 1986-12-19 1987-12-07 Erosion resistant cutting bit with hardfacing

Country Status (6)

Country Link
US (1) US4725098A (en)
EP (1) EP0274645B1 (en)
JP (1) JPH0663414B2 (en)
CA (1) CA1307299C (en)
DE (1) DE3772955D1 (en)
ZA (1) ZA879177B (en)

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US7665552B2 (en) * 2006-10-26 2010-02-23 Hall David R Superhard insert with an interface
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US7469972B2 (en) * 2006-06-16 2008-12-30 Hall David R Wear resistant tool
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US7950746B2 (en) 2006-06-16 2011-05-31 Schlumberger Technology Corporation Attack tool for degrading materials
US7387345B2 (en) 2006-08-11 2008-06-17 Hall David R Lubricating drum
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US8590644B2 (en) * 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US7338135B1 (en) * 2006-08-11 2008-03-04 Hall David R Holder for a degradation assembly
US7445294B2 (en) 2006-08-11 2008-11-04 Hall David R Attack tool
US7946657B2 (en) * 2006-08-11 2011-05-24 Schlumberger Technology Corporation Retention for an insert
US8292372B2 (en) * 2007-12-21 2012-10-23 Hall David R Retention for holder shank
US7320505B1 (en) 2006-08-11 2008-01-22 Hall David R Attack tool
US8136887B2 (en) * 2006-08-11 2012-03-20 Schlumberger Technology Corporation Non-rotating pick with a pressed in carbide segment
US8714285B2 (en) * 2006-08-11 2014-05-06 Schlumberger Technology Corporation Method for drilling with a fixed bladed bit
US8453497B2 (en) * 2006-08-11 2013-06-04 Schlumberger Technology Corporation Test fixture that positions a cutting element at a positive rake angle
US20090058174A1 (en) * 2006-08-11 2009-03-05 Hall David R Attack Tool
US7832809B2 (en) * 2006-08-11 2010-11-16 Schlumberger Technology Corporation Degradation assembly shield
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US7648210B2 (en) 2006-08-11 2010-01-19 Hall David R Pick with an interlocked bolster
US8201892B2 (en) * 2006-08-11 2012-06-19 Hall David R Holder assembly
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US7384105B2 (en) 2006-08-11 2008-06-10 Hall David R Attack tool
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US7419224B2 (en) 2006-08-11 2008-09-02 Hall David R Sleeve in a degradation assembly
US7992944B2 (en) * 2006-08-11 2011-08-09 Schlumberger Technology Corporation Manually rotatable tool
US7410221B2 (en) * 2006-08-11 2008-08-12 Hall David R Retainer sleeve in a degradation assembly
US7464993B2 (en) * 2006-08-11 2008-12-16 Hall David R Attack tool
US7413258B2 (en) * 2006-08-11 2008-08-19 Hall David R Hollow pick shank
US8449040B2 (en) 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US8485609B2 (en) 2006-08-11 2013-07-16 Schlumberger Technology Corporation Impact tool
US7600823B2 (en) * 2006-08-11 2009-10-13 Hall David R Pick assembly
US7475948B2 (en) 2006-08-11 2009-01-13 Hall David R Pick with a bearing
US7963617B2 (en) * 2006-08-11 2011-06-21 Schlumberger Technology Corporation Degradation assembly
US8007051B2 (en) 2006-08-11 2011-08-30 Schlumberger Technology Corporation Shank assembly
US8414085B2 (en) 2006-08-11 2013-04-09 Schlumberger Technology Corporation Shank assembly with a tensioned element
US7390066B2 (en) * 2006-08-11 2008-06-24 Hall David R Method for providing a degradation drum
US7413256B2 (en) 2006-08-11 2008-08-19 Hall David R Washer for a degradation assembly
US8123302B2 (en) 2006-08-11 2012-02-28 Schlumberger Technology Corporation Impact tool
US8622155B2 (en) * 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US7871133B2 (en) 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture
US8500210B2 (en) * 2006-08-11 2013-08-06 Schlumberger Technology Corporation Resilient pick shank
US7669674B2 (en) * 2006-08-11 2010-03-02 Hall David R Degradation assembly
US7669938B2 (en) 2006-08-11 2010-03-02 Hall David R Carbide stem press fit into a steel body of a pick
US8960337B2 (en) 2006-10-26 2015-02-24 Schlumberger Technology Corporation High impact resistant tool with an apex width between a first and second transitions
US9068410B2 (en) 2006-10-26 2015-06-30 Schlumberger Technology Corporation Dense diamond body
US8485756B2 (en) * 2006-12-01 2013-07-16 David R. Hall Heated liquid nozzles incorporated into a moldboard
US8403595B2 (en) * 2006-12-01 2013-03-26 David R. Hall Plurality of liquid jet nozzles and a blower mechanism that are directed into a milling chamber
US7976238B2 (en) * 2006-12-01 2011-07-12 Hall David R End of a moldboard positioned proximate a milling drum
US7530642B2 (en) * 2006-12-15 2009-05-12 Kennametal Inc. Cutting bit with split wear ring and method of making same
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US7401863B1 (en) 2007-03-15 2008-07-22 Hall David R Press-fit pick
US9051794B2 (en) * 2007-04-12 2015-06-09 Schlumberger Technology Corporation High impact shearing element
US7594703B2 (en) * 2007-05-14 2009-09-29 Hall David R Pick with a reentrant
US7926883B2 (en) * 2007-05-15 2011-04-19 Schlumberger Technology Corporation Spring loaded pick
US8038223B2 (en) * 2007-09-07 2011-10-18 Schlumberger Technology Corporation Pick with carbide cap
US7832808B2 (en) 2007-10-30 2010-11-16 Hall David R Tool holder sleeve
AU2008331976A1 (en) * 2007-12-05 2009-06-11 Sandvik Intellectual Property Ab Breaking or excavating tool with cemented tungsten carbide insert and ring, material removing machine incorporating such a tool and method of manufacturing such a tool
US8646848B2 (en) 2007-12-21 2014-02-11 David R. Hall Resilient connection between a pick shank and block
CL2009000025A1 (en) * 2008-01-08 2009-12-11 Esco Corp A tip to be attached to a driven roller in a dirt work machine, the tip comprises: a base that attaches to a receptacle secured to the roller, a wear bush attached to said base, and a fastener; a wear bushing with converging side surfaces; method to renew worn tips.
US8540037B2 (en) 2008-04-30 2013-09-24 Schlumberger Technology Corporation Layered polycrystalline diamond
US7628233B1 (en) 2008-07-23 2009-12-08 Hall David R Carbide bolster
US20100018776A1 (en) * 2008-07-28 2010-01-28 Keller Donald E Cutting bit for mining and excavating tools
US8061457B2 (en) 2009-02-17 2011-11-22 Schlumberger Technology Corporation Chamfered pointed enhanced diamond insert
WO2010117765A1 (en) * 2009-03-30 2010-10-14 Schlumberger Canada Limited Double sintered thermally stable polycrystalline diamond cutting elements
US8322796B2 (en) * 2009-04-16 2012-12-04 Schlumberger Technology Corporation Seal with contact element for pick shield
US8701799B2 (en) * 2009-04-29 2014-04-22 Schlumberger Technology Corporation Drill bit cutter pocket restitution
US20100326740A1 (en) * 2009-06-26 2010-12-30 Hall David R Bonded Assembly Having Low Residual Stress
US8262168B2 (en) 2010-09-22 2012-09-11 Hall David R Multiple milling drums secured to the underside of a single milling machine
US8261471B2 (en) 2010-06-30 2012-09-11 Hall David R Continuously adjusting resultant force in an excavating assembly
US8728382B2 (en) 2011-03-29 2014-05-20 David R. Hall Forming a polycrystalline ceramic in multiple sintering phases
US8668275B2 (en) 2011-07-06 2014-03-11 David R. Hall Pick assembly with a contiguous spinal region
GB2494102A (en) * 2011-07-28 2013-03-06 Boundary Equipment Co Ltd A surface working tool insert
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US9441482B2 (en) 2013-01-30 2016-09-13 Novatek Ip, Llc Hammer element on a degradation pick
DE102014014094A1 (en) * 2013-10-01 2015-04-02 Bomag Gmbh Chisel device and wear-resistant chisel for a ground milling machine
GB201320501D0 (en) * 2013-11-20 2014-01-01 Element Six Gmbh Strike constructions,picks comprising same and methods for making same
EP3207216A4 (en) * 2014-10-17 2018-07-25 Vermeer Manufacturing Company Protective wear sleeve for cutting element
CN107630662A (en) * 2017-08-11 2018-01-26 江苏中科大港激光科技有限公司 A kind of Wear-resistant, high-temperature resistant rotary digging tooth and preparation method thereof
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Also Published As

Publication number Publication date
AU592911B2 (en) 1990-01-25
EP0274645A1 (en) 1988-07-20
DE3772955D1 (en) 1991-10-17
AU8205287A (en) 1988-06-23
CA1307299C (en) 1992-09-08
JPS63165688A (en) 1988-07-08
JPH0663414B2 (en) 1994-08-22
US4725098A (en) 1988-02-16
EP0274645B1 (en) 1991-09-11

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